From 7139f4addf1ff40f4d63b765f4222edbb754e3d3 Mon Sep 17 00:00:00 2001
From: Andreas Lauser <and@poware.org>
Date: Tue, 9 Jul 2013 13:33:57 +0200
Subject: [PATCH] do use eigen's umfpack support anymore

use BiCGStab instead. it might be slower, but at least it is always
available...
---
 examples/sim_simple.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/sim_simple.cpp b/examples/sim_simple.cpp
index 91e153f52..b353ba216 100644
--- a/examples/sim_simple.cpp
+++ b/examples/sim_simple.cpp
@@ -27,7 +27,7 @@
 #include <opm/core/utility/Units.hpp>
 #include <opm/core/utility/StopWatch.hpp>
 #include <opm/core/pressure/tpfa/trans_tpfa.h>
-#include <Eigen/UmfPackSupport>
+#include <Eigen/IterativeLinearSolvers>
 
 #include <iostream>
 #include <cstdlib>
@@ -202,7 +202,7 @@ int main()
     // Where R(p0) and J(p0) are contained in residual.value() and
     // residual.derived()[0].
 
-    Eigen::UmfPackLU<M> solver;
+    Eigen::BiCGSTAB<M> solver;
     M pmatr = residual.derivative()[0];
     pmatr.coeffRef(0,0) *= 2.0;
     pmatr.makeCompressed();